Close jack client after right deactivation, needed for jack1

jack1 does not wait for deactivate to stop the audio thread,
this leads to race conditions while we delete our audio buffers.

Signed-off-by: falkTX <falktx@falktx.com>

source/backend/engine/CarlaEngineJack.cpp

@@ -1068,8 +1068,9 @@ public:
 
         CARLA_SAFE_ASSERT_RETURN_ERR(fClient != nullptr, "JACK Client is null");
 
-        // deactivate first
-        const bool deactivated(jackbridge_deactivate(fClient));
+        // deactivate and close client
+        jackbridge_deactivate(fClient);
+        jackbridge_client_close(fClient);
 
         // clear engine data
         CarlaEngine::close();
@@ -1084,24 +1085,10 @@ public:
         if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK ||
             pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY)
         {
-            if (deactivated)
-            {
-                jackbridge_port_unregister(fClient, fRackPorts[kRackPortAudioIn1]);
-                jackbridge_port_unregister(fClient, fRackPorts[kRackPortAudioIn2]);
-                jackbridge_port_unregister(fClient, fRackPorts[kRackPortAudioOut1]);
-                jackbridge_port_unregister(fClient, fRackPorts[kRackPortAudioOut2]);
-                jackbridge_port_unregister(fClient, fRackPorts[kRackPortEventIn]);
-                jackbridge_port_unregister(fClient, fRackPorts[kRackPortEventOut]);
-            }
             carla_zeroPointers(fRackPorts, kRackPortCount);
-
             pData->graph.destroy();
         }
 
-        // close client
-        if (deactivated)
-            jackbridge_client_close(fClient);
-
         fClient = nullptr;
         return true;
 #endif